LipLidz ~ 10 oz. Martini Glass w/ Attachable Drink-thru Lid (4 Pack). Great for Boating, RVing, Lake, Beach, Garden Party, Weddings, Gifts, shatterproof, dishwasher safe-lid & glass! 100% Tritan Set of four dual-stemmed shatterproof Martini cocktail glasses Colorful lids that attach to each glass when refilling or storing in cupboard Made in USA Tritan made, BPA free, top-rack dishwasher safe Holds 10 oz.